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// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the License); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED ON AN  *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS
// OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY
// IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABILITY OR NON-INFRINGEMENT.
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// See the Apache Version 2.0 License for specific language governing
// permissions and limitations under the License.

using Microsoft.Python.Analysis.Types;

namespace Microsoft.Python.Analysis.Values.Collections {
    /// <summary>
    /// Simple specialized generator that yields same value.
    /// </summary>
    internal sealed class PythonGenerator : PythonRepeatingIterator {
        private readonly IPythonInterpreter _interpreter;
        private readonly IMember _yieldValue;

        public PythonGenerator(IPythonInterpreter interpreter, IMember yieldValue) 
            : base(interpreter.GetBuiltinType(BuiltinTypeId.Generator), yieldValue) {
            _interpreter = interpreter;
            _yieldValue = yieldValue;
        }

        public override IPythonIterator GetIterator() 
            => new PythonRepeatingIterator(_interpreter.GetBuiltinType(BuiltinTypeId.SetIterator), _yieldValue);
    }
}
